Light-emitting diode unit for display comprising plurality of pixels and display device having same

An LED unit for a display, comprising:

• a plurality of pixels, each of the pixels including:
• a first light emitting cell, a second light emitting cell, and a third light emitting cell, each of the first, second, and third light emitting cells including a first conductivity type semiconductor layer, an active layer, and a second conductivity type semiconductor layer;
• pads electrically connected to the first, second, and third light emitting cells to independently drive the first, second, and third light emitting cells;
• a first wavelength converter configured to convert a wavelength of light emitted from the first light emitting cell;
• and
• a second wavelength converter configured to convert a wavelength of light emitted from the second light emitting cell,
• wherein:
• the first wavelength converter is configured to convert a wavelength of light to a longer wavelength than a wavelength of light converted by the second wavelength converter;
• the second light emitting cell has a greater area than that of the third light emitting cell;
• and
• the first light emitting cell has a greater area than that of the second light emitting cell.